The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

A whimsical, but often overlooked clock in Park Avenue.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Unrepaired walls from a 1920 anarchist bomb attack.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

Experience what life was like in Ireland during the Viking and medieval ages.

This taxidermy horse was a Civil War hero.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A museum pays tribute to the glass-making industry of Sunderland.

One of England's oldest stone churches and the birthplace of the "father of English history."

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

These barriers stand as stark reminders of Northern Ireland's troubled past.

This 1920s Dutch barge is now a floating bookstore.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.